Home / 12,332,139.40-18,498,209.10-5,954,847.40

Finding the Fourth Proportional to 12,332,139.40, 18,498,209.10 and 5,954,847.40

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Solution

The fourth proportional to 12,332,139.40, 18,498,209.10 and 5,954,847.40 is: 8,932,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,139.40 : 18,498,209.10 = 5,954,847.40 : x
  2. Step 2: Convert to fraction form
    12,332,139.40/18,498,209.10 = 5,954,847.40/x
  3. Step 3: Cross multiply
    12,332,139.40x = 18,498,209.10 × 5,954,847.40
  4. Step 4: Simplify right side
    12,332,139.40x = 110,154,012,363,791.36
  5. Step 5: Solve for x
    x = 110,154,012,363,791.36/12,332,139.40
  6. Step 6: Final answer
    x = 8,932,271.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.